on saturday, april 15th, 1865, abraham lincoln draws his last breath. jenna: recognize the voice there? i bet you do. coming up, we're going to talk to bill about the breakout hit based on his book. what does this say about american leadership today that we're looking so far into the past? we'll ask bill next. when you have diabetes... your doctor will say get smart about your weight. that's why there's glucerna hunger smart shakes. they have carb steady, with carbs that digest slowly to help minimize blood sugar spikes. [ male announcer ] glucerna hunger smart. a smart way to help manage hunger and diabetes. five days later, i had a massive heart attack. bayer aspirin was the first thing the emts gave me. now, i'm on a bayer aspirin regimen. [ male announcer ] be sure to talk to your doctor before you begin an aspirin regimen. [ woman ] learn from my story. jon: a movie adapted from bill o'reilly's best-selling book, "killing lincoln," pulls in the highest viewership ever for one network. national geographic channel had a very good presidents' day week